342 



INDEX 



Antiseptics, 140, 323 



Apatite, 20, 209 



Apocrenic acid, 109 



Apparent specific gravity of soils, 



56 



Appendix, 332 

 Aqueous rocks, 24 

 Arable soils, nitrogen in, 14 

 Arenaceous rocks, 28 

 Argillaceous rocks, 28 

 Arrangement of particles in soil, 



51 



Artichokes, manure for, 199 

 Artificial guanos, 293 

 Artificial manures, 3, 202 

 Ash of plants, 5, 6, 278 

 Asparagin, 154 

 Asparagus, 199 

 Aspect, 76 



Assimilation of plant food, 124 

 Assimilative capacity, 194 

 Atmosphere, 10 

 Augite, 21 

 Available lime, 115 

 Available plant food, 90, 123 

 Available state, 124 



BACILLI, 139 

 Bacillus mycoides, 156 



,, radicicola, 146 

 Bacteria, 14, 40, 138 

 Ballestas guano, 296 

 Barley, ash of, 6 



,, composition of, 169 



,, manure for, 195* 



,, straw, 312 

 Basalt, 30 

 Basic cinder, 224 



,, phosphate, 229 

 Basic slag, 224 



,, adulteration, 234 



Basic slag, application, 233 

 ,, artificial, 235 

 ,, compared with super- 

 phosphate, 232 

 ,, composition of, 227 

 ,, mamirial value, 231 

 ,, mechanical condition, 



234 



,, production of, 224 

 ,, soils suitable for, 231 

 solubility of, 230, 234 

 Bean straw, 313 

 Beans, ash of, 6 



,, composition of, 169 

 ,, manure for, 199, 288 

 Beech leaves, 5, 304 



,, wood, 5 

 Beetroot, 199 

 Belgian phosphate, 211 

 Bennigsen's method, 95 

 Bessemer' s process, 224 

 Biology of soils, 137 

 Birkland and Eyde process, 270 

 Black mica, 23 

 Blood manures, 251 

 Bone ash, 242 

 ,, char, 243 

 ,, meal, 243 

 ,, superphosphate, 244 

 Bones, 238 



Bordeaux phosphate, 210 

 Buckland on coprolites, 212 

 Butyric acid in farmyard manure, 

 315 



CABBAGES, manure for, 199 



Cakes as manure, 303 



Calcite, 20 



Calcium carbonate, 111 

 ,; chloride, 59 

 ,, cyanarnide, 271 



